Showing Results for fractions like denominators 2 : Page 4

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea investigates whether plants can survive being frozen.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Making your own glass cleaner is easy, effective and inexpensive!

This science fair project idea examines the reason boats are shaped and engineered.